Lesser celandine
Lesser celandine (Ranunculus ficaria)
Lesser celandine in a coppice wood
Lesser celandine (Ficaria verna 'Brazen Hussy' in flower
Heart-shaped lesser celandine leaves
A fresh sprig of lesser celandine
Coppiced woodland
Chicory salad with lesser celandine and orange
Granulite
Ranunculus ficaria flower
Crab spider camouflaged on flower
Generations of volcanoes in the ocean
Layers of the atmosphere
Bojiteough rock
Section of the Earth
Watercourse
Rocky planet
Type of erosion
Evolution of a landscape
Heart of a volcano
Landslide
Shifting of the magnetic North Pole
Cycle of water
Dome mountain
Lake landscape
Granite gneiss, Danmark Island, Greenland
Marble
Nepheline rock
ヒメリュウキンカ
Ocean
Ocean's appearance
Wave
Ocean current
Formation of a caldera
Autunite
Atacamite
Bournonite
Graphic Granite
Silver nugget
Leadhillite
Syenite
Grey gabbro
Fire coals, close up
Spilite igneous rock
Chalk
Alunite
Glacier-polished serpentinite
Sample of Granite with xenolith inclusions.
Gypsum crystals
Native iron
Goethite
Cliff rockfall at West Dale beach, Pembrokeshire, UK
Erythrite
Norite
Knapped flint courses in a church wall
Vein of iron in rock
Flowers growing in a pollarded tree
Wood anemone (Anemone nemorosa)
Texture
Colourless twin crystal from Cumberland.
Wind
Erosion
Cave
Earthquake
Island
Jet of steam and water
Mountain
Volcano
Chert rock
Coastal sand
Volcanic sand
Copper salts on a rock
Melted gold ore
Hornblende
Subsoil sample
Diopside, Tyringham, Massachusetts, USA
Mimetite specimen
Calaverite, Colorado, USA
Native Silver
Amphibolite, New York, USA
Marble, Massachusetts, USA
Nephrite
Tetrahedrite, Peru
Kutnahorite
Andradite
Bementite
Schallerite
Tabular Albite
Gypsum, Desert Rose form
Manmade Potassium Ferrocyanide
Wulfenite
Vesuvianite, Eden Hills, Vermont, USA
Sillimanite, Bridgewater, Vermont
Thomsonite, Vermont
Bindheimite, Nevada
Chalcopyrite
Stibarsen, France
Sillimanite, Norwich, Connecticut
Asphaltum
Ozocerite, Oregon
Idrialite, Skaggs Springs, California
Asphaltum ia a variety of Uintahite
Colemanite
Jefferisite
Carminite, Mexico
Adamite
Epidote
Forsterite
Jamesonite
Metamorphic rock
Nacrite
Amygdaloidal andesite
Neptunite
Halloysite
Adamite and conichalcite
Conichalcite and adamite
Clay
Marble pebbles
Titanium quartz crystal
Serpentinite
Loess rough
Quartz porphyry rough
Sepiolite clay mineral
Agglomerate
Three rocks
A piece of breccia rock, close-up
Granophyre rock
Piece of rough pink microgranite
Lump of copper encrusted rock
Green marl
Clinoclase crystals
Torbernite cyrstals
Vivianite cyrstals
Pyromorphite crystals
Cerussite crystals
Granite tor, Stowe's Hill, Bodmin Moor, Cornwall, UK
Barkol building ditch geology in xinjiang
Idocrase, Sanford, Maine, USA
Fluorrichterite in calcite
Mineral crystals
Opened and polished Thunderegg or Geode
Opened Thunderegg or Geode
Opened Thunderegg or Geode, Oregon, USA
Romanechite, New Mexico, USA
Epodite crystals
Loellingite
Friedelite
Pimelite
Lepidomelane, Ontario, Canada
Jurassic dinosaurs, artwork
Heap of sand
Norber erratics
Iran, Colorful cave wall onA Hormuz Island
Twin Falls Idaho attraction of Shosshone Falls & Dierkes Lake with falls of water over the rocks
Natural rock bridge.
Hot spot
Copper mine stalactites
Tunguragua volcano
Mount St Helens volcano
Sedimentary rock concretion
Cross-bedding in sandstone rock
Fayalite crystals
Banded iron formation
Deformation in tiger ironstone
Tschermakite crystals
Mineral deposition
Stibnite crystals
Colourful coastal rock and clear blue sea
Barringer Crater
Ochre cliffs, Roussillon, France